Monitoring and alerting

Validators expose metrics on the port number specified by the argument --metrics. Port 9090 is the default, though any valid port can be chosen.

If running as a Docker image, make sure to port-forward the metrics endpoint port. For, instance, to forward port 9090 on the local port 80, add the following flag to your docker run command: -p 9090:80

We also provide a mostly-ready-to-go Grafana dashboard to get you started, you can find the source and instructions for importing it under tools/grafana. If you want to use your own, the hyperlane_latest_checkpoint is the most critical metric in both the phase="validator_observed" and phase="validator_processed" dimension. It should gradually increase and the two should never really be out of sync.

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